EP3034643A4 - Electric-resistance-welded steel pipe with excellent weld quality and method for producing same - Google Patents

Electric-resistance-welded steel pipe with excellent weld quality and method for producing same Download PDF

Info

Publication number
EP3034643A4
EP3034643A4 EP14836180.1A EP14836180A EP3034643A4 EP 3034643 A4 EP3034643 A4 EP 3034643A4 EP 14836180 A EP14836180 A EP 14836180A EP 3034643 A4 EP3034643 A4 EP 3034643A4
Authority
EP
European Patent Office
Prior art keywords
resistance
electric
steel pipe
welded steel
producing same
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP14836180.1A
Other languages
German (de)
French (fr)
Other versions
EP3034643B1 (en
EP3034643A1 (en
Inventor
Hideki Hamatani
Kenichi Yamamoto
Masafumi Miyazaki
Masaki Ina
Takaaki Fukushi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel and Sumitomo Metal Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Steel and Sumitomo Metal Corp filed Critical Nippon Steel and Sumitomo Metal Corp
Publication of EP3034643A1 publication Critical patent/EP3034643A1/en
Publication of EP3034643A4 publication Critical patent/EP3034643A4/en
Application granted granted Critical
Publication of EP3034643B1 publication Critical patent/EP3034643B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/08Making tubes with welded or soldered seams
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/001Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00Resistance welding; Severing by resistance heating
    • B23K11/08Seam welding not restricted to one of the preceding subgroups
    • B23K11/087Seam welding not restricted to one of the preceding subgroups for rectilinear seams
    • B23K11/0873Seam welding not restricted to one of the preceding subgroups for rectilinear seams of the longitudinal seam of tubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00Resistance welding; Severing by resistance heating
    • B23K11/34Preliminary treatment
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/10Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • C21D8/105Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies of ferrous alloys
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • C21D9/14Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes wear-resistant or pressure-resistant pipes
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C33/00Making ferrous alloys
    • C22C33/04Making ferrous alloys by melting
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/001Ferrous alloys, e.g. steel alloys containing N
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/005Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/08Ferrous alloys, e.g. steel alloys containing nickel
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/12Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/14Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/16Ferrous alloys, e.g. steel alloys containing copper
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/24Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/26Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
EP14836180.1A 2013-08-16 2014-08-07 Electric-resistance-welded steel pipe with excellent weld quality and method for producing same Active EP3034643B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2013169138 2013-08-16
JP2013262555 2013-12-19
PCT/JP2014/070872 WO2015022899A1 (en) 2013-08-16 2014-08-07 Electric-resistance-welded steel pipe with excellent weld quality and method for producing same

Publications (3)

Publication Number Publication Date
EP3034643A1 EP3034643A1 (en) 2016-06-22
EP3034643A4 true EP3034643A4 (en) 2017-03-29
EP3034643B1 EP3034643B1 (en) 2020-06-17

Family

ID=52468285

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14836180.1A Active EP3034643B1 (en) 2013-08-16 2014-08-07 Electric-resistance-welded steel pipe with excellent weld quality and method for producing same

Country Status (6)

Country Link
US (1) US10081042B2 (en)
EP (1) EP3034643B1 (en)
JP (1) JP5765497B1 (en)
KR (1) KR101674341B1 (en)
CN (1) CN105452506B (en)
WO (1) WO2015022899A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013161937A1 (en) * 2012-04-25 2013-10-31 新日鐵住金株式会社 Spot-welding joint
WO2015022899A1 (en) * 2013-08-16 2015-02-19 新日鐵住金株式会社 Electric-resistance-welded steel pipe with excellent weld quality and method for producing same
JP2016199806A (en) * 2015-04-10 2016-12-01 株式会社神戸製鋼所 Steel plate for high strength line pipe and steel pipe for high strength line pipe excellent in low temperature toughness
JP6624208B2 (en) 2016-02-03 2019-12-25 Jfeスチール株式会社 Large heat input welding steel
JP6812893B2 (en) * 2017-04-17 2021-01-13 日本製鉄株式会社 Electric pipe for line pipe and its manufacturing method
CN109628820A (en) * 2019-01-10 2019-04-16 石钢京诚装备技术有限公司 A kind of low-phosphorous, low-sulfur sulfur resistive pipe line steel continuous cast round billets production method
JP6841392B2 (en) * 2019-02-21 2021-03-10 日本製鉄株式会社 How to use high-strength electric resistance pipes and high-strength electric resistance pipes for ground stabilization work
JP7138779B2 (en) * 2019-03-29 2022-09-16 日本製鉄株式会社 ERW steel pipe for hollow stabilizer, hollow stabilizer, and manufacturing method thereof
RU2746599C1 (en) * 2020-06-04 2021-04-16 Открытое Акционерное Общество "Тяжпрессмаш" Sparingly alloyed cold-resistant high-strength steel
CN115505849B (en) * 2022-09-28 2023-07-18 延安嘉盛石油机械有限责任公司 Oil casing and preparation method and application thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2036995A1 (en) * 2006-07-04 2009-03-18 Nippon Steel Corporation High-strength steel pipe with excellent low-temperature toughness for line pipe, high-strength steel plate for line pipe, and processes for producing these
JP2009057629A (en) * 2007-08-08 2009-03-19 Jfe Steel Kk High strength steel pipe for low temperature use having excellent buckling resistance and weld heat-affected zone toughness, and method for producing the same
JP2010209433A (en) * 2009-03-11 2010-09-24 Kobe Steel Ltd Steel material superior in toughness of weld heat-affected zone and fatigue characteristics of base metal, and method for manufacturing the same
EP2395122A1 (en) * 2009-02-06 2011-12-14 JFE Steel Corporation High-strength steel tube for low-temperature use with superior buckling resistance and toughness in weld heat-affected areas, and manufacturing method for same
WO2012099119A1 (en) * 2011-01-18 2012-07-26 株式会社神戸製鋼所 Steel material having superior toughness of welded heat-affected zone, and method for manufacturing same
US20130092280A1 (en) * 2011-04-19 2013-04-18 Nippon Steel & Sumitomo Metal Corporation Electric resistance welded oil country tubular goods and manufacturing method of electric resistance welded oil country tubular goods
EP2592169A1 (en) * 2011-02-24 2013-05-15 Nippon Steel & Sumitomo Metal Corporation High-strength steel sheet exhibiting superior stretch-flange formability and bendability, and method of preparing ingot steel

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09209025A (en) 1996-02-06 1997-08-12 Sumitomo Metal Ind Ltd Production of hic resistant steel excellent in low temperature toughness in welded part
JP2002146481A (en) * 2000-11-07 2002-05-22 Nippon Steel Corp Oxide dispersion strengthened ferritic steel for electric resistance welded boiler having excellent electric resistance weldability and steel tube thereof
JP3825623B2 (en) 2000-11-22 2006-09-27 新日本製鐵株式会社 High-tensile steel with excellent fracture resistance of welds
JP4319817B2 (en) * 2001-11-19 2009-08-26 新日本製鐵株式会社 Low alloy steel excellent in hydrochloric acid corrosion resistance and sulfuric acid corrosion resistance and its welded joint
JP2004035946A (en) * 2002-07-03 2004-02-05 Nippon Steel Corp Method for producing high-tension steel having excellent weldability
JP4505435B2 (en) 2006-06-07 2010-07-21 新日本製鐵株式会社 Thick steel plate with excellent toughness in heat-affected zone of large heat input welding
JP4185552B2 (en) 2007-01-31 2008-11-26 株式会社神戸製鋼所 Steel material with excellent corrosion resistance
CN102046829B (en) 2008-05-26 2013-03-13 新日铁住金株式会社 High-strength hot-rolled steel sheet for line pipe excellent in low-temperature toughness and ductile-fracture-stopping performance and process for producing the same
JP5849438B2 (en) 2011-05-30 2016-01-27 Jfeスチール株式会社 Manufacturing method of ERW steel pipe with excellent formability, low temperature toughness and fatigue resistance of ERW welds
JP5919650B2 (en) 2011-05-30 2016-05-18 Jfeスチール株式会社 ERW steel pipe excellent in HIC resistance and low temperature toughness of ERW welded part and method for manufacturing the same
CN104350168B (en) * 2012-09-27 2016-08-24 新日铁住金株式会社 Electric-resistance-welded steel pipe
WO2015022899A1 (en) * 2013-08-16 2015-02-19 新日鐵住金株式会社 Electric-resistance-welded steel pipe with excellent weld quality and method for producing same
KR101846103B1 (en) * 2013-12-25 2018-04-05 신닛테츠스미킨 카부시키카이샤 Electric resistance welded steel pipe for oil well
US10167538B2 (en) * 2014-02-04 2019-01-01 Nippon Steel & Sumitomo Metal Corporation Steel pipe

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2036995A1 (en) * 2006-07-04 2009-03-18 Nippon Steel Corporation High-strength steel pipe with excellent low-temperature toughness for line pipe, high-strength steel plate for line pipe, and processes for producing these
JP2009057629A (en) * 2007-08-08 2009-03-19 Jfe Steel Kk High strength steel pipe for low temperature use having excellent buckling resistance and weld heat-affected zone toughness, and method for producing the same
EP2395122A1 (en) * 2009-02-06 2011-12-14 JFE Steel Corporation High-strength steel tube for low-temperature use with superior buckling resistance and toughness in weld heat-affected areas, and manufacturing method for same
JP2010209433A (en) * 2009-03-11 2010-09-24 Kobe Steel Ltd Steel material superior in toughness of weld heat-affected zone and fatigue characteristics of base metal, and method for manufacturing the same
WO2012099119A1 (en) * 2011-01-18 2012-07-26 株式会社神戸製鋼所 Steel material having superior toughness of welded heat-affected zone, and method for manufacturing same
EP2592169A1 (en) * 2011-02-24 2013-05-15 Nippon Steel & Sumitomo Metal Corporation High-strength steel sheet exhibiting superior stretch-flange formability and bendability, and method of preparing ingot steel
US20130092280A1 (en) * 2011-04-19 2013-04-18 Nippon Steel & Sumitomo Metal Corporation Electric resistance welded oil country tubular goods and manufacturing method of electric resistance welded oil country tubular goods

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2015022899A1 *

Also Published As

Publication number Publication date
EP3034643B1 (en) 2020-06-17
US10081042B2 (en) 2018-09-25
KR20150140826A (en) 2015-12-16
JP5765497B1 (en) 2015-08-19
CN105452506B (en) 2018-11-09
WO2015022899A1 (en) 2015-02-19
CN105452506A (en) 2016-03-30
EP3034643A1 (en) 2016-06-22
KR101674341B1 (en) 2016-11-08
US20160193641A1 (en) 2016-07-07
JPWO2015022899A1 (en) 2017-03-02

Similar Documents

Publication Publication Date Title
EP3034643A4 (en) Electric-resistance-welded steel pipe with excellent weld quality and method for producing same
ZA201603640B (en) High-strength steel and method for producing same
EP3164241A4 (en) System and method with floating welder for high rate production welding
EP3050989A4 (en) High-strength steel sheet and method for producing same
EP3006415B8 (en) Method for producing nanocement and nanocement
EP2993257B8 (en) Ni-plated steel sheet and method for producing ni-plated steel sheet
EP2998414A4 (en) Hot-rolled steel sheet and production method therefor
EP3031943A4 (en) Seamless steel pipe for line pipe, and method for producing same
EP3026139A4 (en) Low-alloy steel pipe for oil well and production method therefor
EP3085803A4 (en) H-shaped steel and method for producing same
EP3460086A4 (en) Seamless steel pipe and method for producing same
PL3052672T3 (en) Spot welded joint using high strength and high forming and its production method
EP2862954A4 (en) Thick, high-strength, sour-resistant line pipe and method for producing same
EP3219820A4 (en) Nickel alloy clad steel sheet and method for producing same
EP3072987A4 (en) High-carbon steel sheet and method for producing same
EP3028799A4 (en) Arc spot weld joint and method for producing same
EP3069815A4 (en) Device and method for manufacturing welded shaped steel
EP2969347A4 (en) Welded blank assembly and method
EP3015215A4 (en) Welded structural member and welding method
EP3042968A4 (en) Method for producing high-strength stainless steel pipe, and high-strength stainless steel pipe
EP3006128A4 (en) Method for producing welded steel pipe
EP3050986A4 (en) High-speed-tool steel and method for producing same
EP3144407A4 (en) Seamless steel pipe for line pipe, and method for producing same
EP2948257A4 (en) Method and apparatus for metal positioning and forming
EP3315630A4 (en) Clad pipe and method for manufacturing clad pipe

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20160316

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20170224

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20180124

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: NIPPON STEEL CORPORATION

RIC1 Information provided on ipc code assigned before grant

Ipc: C21D 9/14 20060101ALI20191030BHEP

Ipc: B21C 37/08 20060101ALI20191030BHEP

Ipc: B23K 11/34 20060101ALI20191030BHEP

Ipc: C22C 38/02 20060101ALI20191030BHEP

Ipc: C22C 38/06 20060101ALI20191030BHEP

Ipc: C22C 38/00 20060101AFI20191030BHEP

Ipc: C22C 38/04 20060101ALI20191030BHEP

Ipc: C22C 38/14 20060101ALI20191030BHEP

Ipc: C21C 7/04 20060101ALI20191030BHEP

Ipc: C22C 38/08 20060101ALI20191030BHEP

Ipc: B23K 11/087 20060101ALI20191030BHEP

Ipc: C22C 38/26 20060101ALI20191030BHEP

Ipc: C22C 33/04 20060101ALI20191030BHEP

Ipc: C22C 38/24 20060101ALI20191030BHEP

Ipc: C21D 8/02 20060101ALI20191030BHEP

Ipc: C21D 9/08 20060101ALI20191030BHEP

Ipc: B22D 11/00 20060101ALI20191030BHEP

Ipc: C22C 38/16 20060101ALI20191030BHEP

Ipc: C21D 8/10 20060101ALI20191030BHEP

Ipc: C22C 38/12 20060101ALI20191030BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20191211

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602014066806

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1281379

Country of ref document: AT

Kind code of ref document: T

Effective date: 20200715

REG Reference to a national code

Ref country code: GR

Ref legal event code: EP

Ref document number: 20200401911

Country of ref document: GR

Effective date: 20200916

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200617

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200917

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200617

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200617

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20200617

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200617

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200617

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200617

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200917

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 1281379

Country of ref document: AT

Kind code of ref document: T

Effective date: 20200617

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200617

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200617

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200617

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20201019

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200617

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200617

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200617

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200617

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200617

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200617

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200617

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200617

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20201017

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602014066806

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200617

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200807

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200831

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200831

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200617

26N No opposition filed

Effective date: 20210318

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20200831

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200617

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200817

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200831

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200807

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200617

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200617

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200617

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200617

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20230629

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GR

Payment date: 20230713

Year of fee payment: 10

Ref country code: DE

Payment date: 20230627

Year of fee payment: 10